Eagle Tool heavy duty split point high-speed installer bit. This bit comes in handy in a variety of situations. It is the best when encountering nails, steel plate, as well as different kinds of wood. High speed, heavy duty, split point. A three flat non-slip grip and fish accommodation holes in the head and shank. Flexible spring steel shank. 3/8-inch head diameter, 1/4 inch shank diameter, and overall length is 36-inch.